package Test;

/**
 * Created with IntelliJ IDEA.
 * User: happyiu
 * Date: 2022-03-01
 * Time: 17:22
 * Description:
 */
public class TestDemo1 {
    public static void main(String[] args) {
        String str = "12345";
        int ret = Integer.valueOf(str);
        System.out.println(str);//12345
        System.out.println(ret+1);//12346

    }

}
